default-value
cakePHP timestamp field is not saved properly
I have arecord with a timestamp field, which its default is defined as current_timestamp in the mySql db.[详细]
2023-02-18 21:36 分类：问答Default selection for <f:selectItem> within <h:selectOneMenu>
How to make default selection for <f:selectItem> within <h:selectOneMenu>? It\'s needed,that particular \"20\" item of dropdown to be already selected when page is loaded.[详细]
2023-02-17 04:21 分类：问答SQL Pivot table returning NULL for non-existent child table values
I have a typical RDMS setup where records in a main table can have optional records in a related table via a M2M join.I\'m trying to PIVOT this data but in cases where there is no relation I want to r[详细]
2023-02-16 20:51 分类：问答How can I obtain the default value for a type in Scala?
I\'m trying to write a Scala function that returns the default value of a type (0, 0.0, false, \'\\0\', etc. for value types and null for reference types). I came up with this:[详细]
2023-02-15 20:18 分类：问答How to set default value to sysdate in MySql?
I am going to create a table with a column storing Created_date which is of datetime datatype. And my aim is to set its default value as sysdate().[详细]
2023-02-15 00:53 分类：问答CakePHP: How does a form still have your data in it when it doesn't validate?
When you create a form element with CakePHP like so: echo $this->Form->input(\'User.first_name\');[详细]
2023-02-14 12:34 分类：问答Remove default value for non nullable properties when using EditFor [asp.net mvc 3]
How can I remove the default value that is added by default to the textboxes of non nullable properties when开发者_如何学C using the EditFor helper? I don\'t want that behavior[详细]
2023-02-14 05:50 分类：问答How to display a default value for WPF ListBox bound to an empty list
If the Bounded List is empty I want to display a default me开发者_开发技巧ssage in the listbox like \"No Items Present\"You should a textBlock on top of the listbox, and bind its visibility to the col[详细]
2023-02-13 18:08 分类：问答How to insert DEFAULT when the variable in BindParam is null
I\'m using PDO prepared statement. I want to BIND a variable BUT if the variable is NULL it have to INSERT in MYSQL the DEFAULT VALUE of the field.[详细]
2023-02-13 11:57 分类：问答Android: Default preference value not being set from XML
I have a simple Preferences Activity that I populate via XML, defining the values as array resources.[详细]
2023-02-13 08:00 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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